Waste Water Engineering The self-cleansing velocity of water flowing through pipe lines, is 1 metre/sec 0.25 metre/sec 0.5 metre/sec 2 metres/sec 1 metre/sec 0.25 metre/sec 0.5 metre/sec 2 metres/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A sewer running partially full and hurried with back filled, fails in compression due to Weight of the back fill All listed here Superimposed traffic loads Weight of the pipe Weight of the back fill All listed here Superimposed traffic loads Weight of the pipe ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hydraulic mean radius is Mean radius of sewer Difference in heads between two points in circular pipes Mean of radii in a pipe line of varying cross -sections Cross-sectional area/wetted perimeter Mean radius of sewer Difference in heads between two points in circular pipes Mean of radii in a pipe line of varying cross -sections Cross-sectional area/wetted perimeter ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Drop manholes at the junctions of sewer lines, are provided if Sewer line runs along a main road Ordinary manhole cannot be built Invert level of a branch sewer is more than 60 cm that of the main sewer Two sewer lines intersect Sewer line runs along a main road Ordinary manhole cannot be built Invert level of a branch sewer is more than 60 cm that of the main sewer Two sewer lines intersect ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains Oxygen Carbon dioxide Methane Hydrogen sulphide Oxygen Carbon dioxide Methane Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Oxidation process results in the formation of Carbon dioxide All of these Sulphates Nitrates Carbon dioxide All of these Sulphates Nitrates ANSWER DOWNLOAD EXAMIANS APP